Portable mat



FIG. 1 is a front perspective view of a portable mat in accordance with the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a left view thereof; and,

FIG. 7 is a right view thereof.

The broken line circles on the top and bottom of the design illustrate circular connectors that are features of the portable mat which form no part of the claimed design. The broken line features in each of the corners of the design illustrate portions of the portable mat that form no part of the claimed design.

The cross-hatched lines in the figures show shading that defines the contours of the portable mat and are not surface ornamentation. 

CLAIM I claim the ornamental design for a portable mat, as shown and described. 